Download presentation
Presentation is loading. Please wait.
1
July 14, 2015IM-SURE Symposium BioMiNT Alok Vij 1 Faculty Mentor: Professor AP Lee 2,3 Graduate Mentor: JS Fisher 2 Cell Encapsulation for Tissue Engineering 1 Department of Materials Science and Engineering, Northwestern University 2 Department of Biomedical Engineering, University of California, Irvine 3 Department of Mechanical and Aeronautical Engineering, University of California, Irvine
2
July 14, 2015IM-SURE Symposium Agenda Introduction Materials Methods Results Conclusions
3
July 14, 2015IM-SURE Symposium Applications Tissue Engineering Scaffolds Immunoprotection of Implants Single-cell assays Cell Encapsulation Images: www.science.org, www.manager-magazin.de
4
July 14, 2015IM-SURE Symposium Agenda Introduction Materials Methods Results Conclusions
5
July 14, 2015IM-SURE Symposium PDMS devices Alginate Oleic acid Calcium-containing polymerizing agent Materials Images: www-biol.paisley.ac.uk, www.babonline.org
6
July 14, 2015IM-SURE Symposium Materials Alginate Biocompatible Non-degradable Gentle gelation Easily manipulated Images: www.lsbu.ac.uk
7
July 14, 2015IM-SURE Symposium Agenda Introduction Materials Methods Results Conclusions
8
July 14, 2015IM-SURE Symposium Methods Device Fabrication Photoresist Expose Develop PDMS cast Anneal Image modified from http://www.postech.ac.kr
9
July 14, 2015IM-SURE Symposium Methods Alginate/cell suspension Droplet generation In-channel polymerization Bead isolation Bead harvesting Cell culturing
10
July 14, 2015IM-SURE Symposium Agenda Introduction Materials Methods Results Conclusions
11
July 14, 2015IM-SURE Symposium Successes: Even distribution of cells Bead polymerization Droplet generation Bead isolation Bead harvesting Work in progress: Microbead stability Cell viability Results Fibroblasts suspended in alginate
12
July 14, 2015IM-SURE Symposium Results In-channel polymerization
13
July 14, 2015IM-SURE Symposium Results Droplet Generation Before:
14
July 14, 2015IM-SURE Symposium Results Droplet Generation Before:
15
July 14, 2015IM-SURE Symposium Results Bead separation Before:
16
July 14, 2015IM-SURE Symposium Results Bead Harvesting Before:
17
July 14, 2015IM-SURE Symposium Device Design Before:
18
July 14, 2015IM-SURE Symposium Device Design Before:
19
July 14, 2015IM-SURE Symposium Device Design Before:
20
July 14, 2015IM-SURE Symposium Device Design Before:
21
July 14, 2015IM-SURE Symposium Device Design Before:
22
July 14, 2015IM-SURE Symposium Device Design
23
July 14, 2015IM-SURE Symposium Results Droplet Generation After:
24
July 14, 2015IM-SURE Symposium Results Bead Separation After:
25
July 14, 2015IM-SURE Symposium Results Bead Harvesting After:
26
July 14, 2015IM-SURE Symposium Current Work Bead stability
27
July 14, 2015IM-SURE Symposium Current work Cell viability assessment
28
July 14, 2015IM-SURE Symposium Agenda Introduction Materials Methods Results Conclusions
29
July 14, 2015IM-SURE Symposium Conclusions Success! Next steps: Integrate with other devices Cell factor delivery Concentration gradient generators Cell sorters Switches Publish
30
July 14, 2015IM-SURE Symposium Thank you! Professor Abe Lee Jeff Fisher Said Shokair National Science Foundation Jeff Fisher Abe Lee Said Shokair
31
July 14, 2015IM-SURE Symposium Questions?
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.